Oceanic OCEACLIM140W Guide D'utilisation page 48

D. Installation of the battery
The appliance is compatible with CR2025 battery (3V lithium battery). For each
use, you need to insert one battery only. Please note that no battery is supplied
with the appliance at purchase.
1. Slide the cover to open the compartment.
2. Place the battery in the slot respecting the poles (anode and cathode)
3. Put the cover back.
If you do not use the remote control for a prolonged period of time, remove the
battery from the remote control.
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